| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,215 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,606 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,674 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,756 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,373 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,477 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,847 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,891 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,742 |
| Syria Country Quiz | 0 | - | 4.81 | 33,081 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,121 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,894 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,641 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,119 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,113 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,162 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,935 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,881 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,104 |
| Asia Map Quiz | 0 | - | 4.99 | 926,170 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,982 |
| Oman Country Quiz | 0 | - | 4.86 | 27,103 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,532 |
| Byzantine History | 0 | - | 4.91 | 29,035 |
| Byzantine Emperors | 0 | - | 4.93 | 14,639 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,075 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,769 |
| Geography of Egypt | 0 | - | 4.60 | 21,633 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,646 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,684 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,398 |
| Countries that Beat Egypt | 0 | - | 4.91 | 67,166 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,630 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,552 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,224 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,487 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,451 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,499 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,881 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,658 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,030 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,263 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,950 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,421 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,172 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,794 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,727 |
| Countries of the Middle East | 0 | - | 4.96 | 203,150 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,106 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,735 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,495 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,822 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,929 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,962 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,087 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 106,994 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,846 |
| Monarchies of Asia | 0 | - | 4.97 | 71,568 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,326 |
| Flags of the Middle East | 0 | - | 4.69 | 62,848 |
| History of Iran | 0 | - | 4.66 | 16,434 |
| Iran Country Quiz | 0 | - | 4.49 | 60,737 |
| Iraq Country Quiz | 0 | - | 4.43 | 41,179 |
| Turkey Country Quiz | 0 | - | 4.42 | 76,258 |
| Provinces of Turkey | 0 | - | 4.95 | 206,138 |
| United Arab Emirates Country Quiz | 0 | - | 4.44 | 35,451 |
| Lebanon Country Quiz | 0 | - | 4.56 | 36,216 |
| Provinces of China | 0 | - | 4.97 | 208,447 |
| History of China | 0 | - | 4.35 | 57,642 |
| Japanese Prefectures | 0 | - | 4.98 | 139,260 |
| States of India | 0 | - | 4.94 | 196,290 |
| History of India | 0 | - | 4.62 | 21,523 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,143 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,289 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,925 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,670 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,729,212 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,916 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,921 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,786 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,155 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,196 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,123 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,204 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,090 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,035 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,960 |
| Name the English Monarchs | 0 | - | 4.91 | 507,090 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,988 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,794 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,080 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,733 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,616 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,760 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,984 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,080 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,676 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,810 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,220 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,109 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,120 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,437 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,231 |
| Geography of China | 0 | - | 4.21 | 14,029 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,978 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,736 |
| Chinese Inventions | 0 | - | 4.30 | 33,870 |
| Countries that Border China | 0 | - | 4.96 | 264,432 |
| Japan Country Quiz | 0 | - | 4.93 | 143,465 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,915 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,588 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,266 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,404 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,796 |
| States of India Map Quiz | 0 | - | 4.84 | 26,930 |
| Countries Bordering India | 0 | - | 4.98 | 163,862 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,692 |
| Countries Closest to India | 0 | - | 4.97 | 103,294 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,623 |
| Nepal Country Quiz | 0 | - | 4.95 | 38,005 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,529 |
| Name a Valid African Country | 0 | - | 4.98 | 155,168 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,807 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,458 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,076 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,702 |
| The Trojan War | 0 | - | 4.83 | 40,031 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,572 |
| Name that Greek Letter | 0 | - | 4.93 | 325,158 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,098 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,651 |
| Roman Emperors | 0 | - | 4.95 | 121,353 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,949 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,115 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,868 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,852 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,160 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,236 |
| Kuwait Country Quiz | 0 | - | 4.79 | 23,012 |
| Bahrain Country Quiz | 0 | - | 4.69 | 21,843 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,604 |
| History of Egypt | 0 | - | 4.58 | 24,109 |
| Saudi Arabia Country Quiz | 0 | - | 4.19 | 56,330 |
| Yemen Country Quiz | 0 | - | 4.57 | 29,751 |
| Palestine Country Quiz | 0 | - | 4.08 | 36,685 |
| Cyprus Country Quiz | 0 | - | 4.61 | 31,217 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,093 |
| Countries that Beat China | 0 | - | 4.85 | 116,856 |
| Countries that Beat Japan | 0 | - | 4.41 | 68,422 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,328 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,700 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,362 |
| Countries that Beat India | 0 | - | 4.42 | 63,364 |
| Hindu Countries | 0 | - | 4.86 | 50,635 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,446 |
| Names of Generations | 0 | - | 4.09 | 45,570 |
| American History Quotes #1 | 0 | - | 4.37 | 96,228 |
| American History Quotes #2 | 0 | - | 4.38 | 41,519 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,600 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,351 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,834 |
| History of Russia Quiz | 0 | - | 4.47 | 32,012 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,364 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,170 |
| Ancient Greek Words | 0 | - | 4.93 | 112,599 |
| History of Italy | 0 | - | 4.55 | 32,169 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,839 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,273 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,456 |
| Geography of Spain | 0 | - | 4.59 | 22,200 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,124 |
| Asian Physical Geography | 0 | - | 4.61 | 35,635 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,225 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,660 |
| Asian Island Nations | 0 | - | 4.63 | 94,505 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,180 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 418,091 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,164 |
| Arab Spring Countries | 0 | - | 4.51 | 44,271 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,253 |
| Ottoman Empire Quiz | 0 | - | 4.37 | 17,230 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,496 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,983 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,415 |
| The Life of Gandhi | 0 | - | 4.37 | 13,084 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,648 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,804 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,741 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,792 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,942 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,396 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,190 |
| German Groups of Things | 0 | - | 4.47 | 38,654 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,143 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,569 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,904 |
| Asian Islands | 0 | - | 4.49 | 20,916 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,510 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,117 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,702 |
